FBI director warns of upcoming “terrorist diaspora”
Congress grills FBI and Homeland Security directors over why two recent domestic terrorists had been investigated and let go
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Congress grills FBI and Homeland Security directors over why two recent domestic terrorists had been investigated and let go
New developments on investigation into bombing in New York's Chelsea neighborhood
As investigators try to determine whether bombing suspect Ahmad Rahami acted alone, Miller explains why gathering intelligence on lone wolves is so difficult
FBI releases image of two men who took luggage holding Manhattan bomb that didn't explode
Ahmad Khan Rahami isn't the first person "known" to investigators that went on to be accused of a terrorist act
Authorities have charged Ahmad Khan Rahami with several offenses, including use of a weapon of mass destruction and bombing a place of public use
More details are coming to light about the suspected New York and New Jersey bomber's past
A knife-wielding suspect wounded eight people before he was killed by an off-duty officer
Experts say terrorists commonly use this type of homemade bomb overseas, but their use is growing in the U.S.
Dept of Justice and Police Foundation studied police response to deadly husband-wife shooting in 2015
The charge against Emanuel Lutchman carries a maximum sentence of 20 years in federal prison
Officials say a D.C. transit cop traveled to Libya twice and tried to provide ISIS with material support
In jailhouse interview, ISIS supporter Christopher Lee Cornell says he planned attack in retaliation for U.S.-led airstrikes
Feds say the men knowingly conspired and attempted to provide material support and resources to ISIS
18-year-old self-proclaimed ISIS and Pakistan Taliban supporter said he wanted to perform an "MO" (martyrdom operation) in Arizona
Mahin Khan, 18, arrested for threatening to commit acts of terrorism on Arizona government buildings, attorney general's office says
FBI agents arrested 18-year-old as he tried to board a bus from Indianapolis to New York, where he was to fly to Morocco and on to territory controlled by ISIS
The head of the world's largest police force talked about protecting the city's largest-ever gay pride parade after Orlando
The heavily-censored documents give a real-time look into what the CIA was thinking when it began waterboarding senior al Qaeda captives
Pennsylvania senator is introducing new gun legislation amid homegrown terrorism this week
Alexander E. Blair admitted in a Topeka federal court that he loaned $100 to a friend, John T. Booker, to pay for storage of a bomb
How far should the CIA go to keep America safe?
Minn. man says he succumbed to propaganda videos that preached jihad; mother collapsed with chest pain as proceedings got underway
New measures are being put in place at airports across the country to increase security -- but expect longer lines, too
The U.S. citizen was accused of creating 23 Facebook pages, under various aliases, in order to contact ISIL members and recruit